AU6876098A - Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity - Google Patents
Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacityInfo
- Publication number
- AU6876098A AU6876098A AU68760/98A AU6876098A AU6876098A AU 6876098 A AU6876098 A AU 6876098A AU 68760/98 A AU68760/98 A AU 68760/98A AU 6876098 A AU6876098 A AU 6876098A AU 6876098 A AU6876098 A AU 6876098A
- Authority
- AU
- Australia
- Prior art keywords
- oxides
- storage capacity
- thermal stability
- oxygen storage
- improved thermal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 229910000420 cerium oxide Inorganic materials 0.000 title 1
- DRVWBEJJZZTIGJ-UHFFFAOYSA-N cerium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Ce+3].[Ce+3] DRVWBEJJZZTIGJ-UHFFFAOYSA-N 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical class [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 title 1
- 239000006104 solid solution Substances 0.000 title 1
- 229910001928 zirconium oxide Inorganic materials 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
- C01B13/0262—Physical processing only by adsorption on solids characterised by the adsorbent
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
- C01B13/0281—Physical processing only by adsorption on solids in getters
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/02—Oxides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
- C07C5/333—Catalytic processes
- C07C5/3332—Catalytic processes with metal oxides or metal sulfides
-
- B01J35/613—
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of rare earths
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4269397P | 1997-04-04 | 1997-04-04 | |
US60042693 | 1997-04-04 | ||
US08837631 | 1997-04-21 | ||
US08/837,631 US6133194A (en) | 1997-04-21 | 1997-04-21 | Cerium oxides, zirconium oxides, Ce/Zr mixed oxides and Ce/Zr solid solutions having improved thermal stability and oxygen storage capacity |
PCT/US1998/006437 WO1998045212A1 (en) | 1997-04-04 | 1998-04-01 | CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY |
Publications (1)
Publication Number | Publication Date |
---|---|
AU6876098A true AU6876098A (en) | 1998-10-30 |
Family
ID=26719523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU68760/98A Abandoned AU6876098A (en) | 1997-04-04 | 1998-04-01 | Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU6876098A (en) |
NO (1) | NO994794L (en) |
WO (1) | WO1998045212A1 (en) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
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DE60033328T2 (en) * | 1999-03-05 | 2007-11-22 | Daiichi Kigenso Kagaku Kogyo Co. Ltd. | Mixed oxide based on cerium and zirconium, process for its preparation; the mixed oxide containing catalyst and application of the catalyst for exhaust gas purification |
US6464946B1 (en) | 1999-05-07 | 2002-10-15 | Daihatsu Motor Co., Ltd. | Catalytic converter for cleaning exhaust gas |
US6204219B1 (en) | 1999-07-29 | 2001-03-20 | W. R. Grace & Co.-Conn. | Thermally stable support material and method for making the same |
AU2002210729A1 (en) * | 2000-10-27 | 2002-05-06 | Oxonica Limited | Coated metal oxides and hydroxides |
CN1507357A (en) * | 2000-10-31 | 2004-06-23 | PRҩƷ����˾ | Method and compositions for enhanced delivery of bioactive molecules |
US6528451B2 (en) * | 2001-03-13 | 2003-03-04 | W.R. Grace & Co.-Conn. | Catalyst support material having high oxygen storage capacity and method of preparation thereof |
GB0112000D0 (en) * | 2001-05-16 | 2001-07-11 | Oxonica Ltd | Comminution of coated metal oxides and hydroxides |
GB2381530A (en) * | 2001-11-01 | 2003-05-07 | Oxonica Ltd | Water-soluble particles of luminescent materials and their use in Biotagging |
FR2852591B1 (en) * | 2003-03-18 | 2006-06-16 | Rhodia Elect & Catalysis | COMPOSITION BASED ON ZIRCONIUM OXIDE AND CERIUM OXIDE AT MAXIMUM TEMPERATURE OF REDUCED REDUCIBILITY, PROCESS FOR PREPARING THE SAME AND USE THEREOF AS CATALYST |
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FR2866871B1 (en) | 2004-02-26 | 2007-01-19 | Rhodia Chimie Sa | COMPOSITION BASED ON ZIRCONIUM, PRASEODYM, LANTHAN OR NEODYME OXIDES, PREPARATION METHOD AND USE IN A CATALYTIC SYSTEM |
FR2868768B1 (en) | 2004-04-07 | 2007-07-20 | Rhodia Chimie Sa | COMPOSITION BASED ON ZIRCONIUM OXIDES AND YTRIUM, PROCESS FOR THE PREPARATION AND USE IN A CATALYTIC SYSTEM |
FR2885308B1 (en) * | 2005-05-04 | 2007-07-06 | Eastman Kodak Co | PROCESS FOR MAINTAINING THE DISPERSION CONDITION OF A COLLOIDAL SOLUTION OF METAL OXIDE PARTICLES |
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FR2898887B1 (en) * | 2006-03-21 | 2008-05-02 | Rhodia Recherches & Tech | COMPOSITION BASED ON ZIRCONIUM OXIDE AND CERIUM OXIDE WITH HIGH REDUCIBILITY AND STABLE SPECIFIC SURFACE PROCESS FOR THE PREPARATION AND USE IN THE TREATMENT OF EXHAUST GASES |
RU2404855C2 (en) | 2006-05-15 | 2010-11-27 | Родиа Операсьон | Composition based on oxides of zirconium, cerium, lanthanum and yttrium, gadolinium or samarium with high specific surface and reducing ability, method of its production and application as catalyst |
FR2900920B1 (en) * | 2006-05-15 | 2008-07-11 | Rhodia Recherches & Tech | COMPOSITION BASED ON ZIRCONIUM, CERIUM, LANTHAN AND YTTRIUM OXIDES, GADOLINIUM OR SAMARIUM, WITH STABLE SPECIFIC SURFACE, PROCESS FOR PREPARATION AND USE AS CATALYST |
EP1894620B2 (en) | 2006-08-22 | 2023-06-07 | Daiichi Kigenso Kagaku Kogyo Co., Ltd. | Method to produce a porous zirconia powder |
EP2066767B1 (en) | 2006-09-05 | 2015-10-21 | Cerion LLC | Cerium dioxide nanoparticle-containing fuel additive |
US10435639B2 (en) | 2006-09-05 | 2019-10-08 | Cerion, Llc | Fuel additive containing lattice engineered cerium dioxide nanoparticles |
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WO2014121813A1 (en) | 2013-02-05 | 2014-08-14 | Rhodia Operations | Precipitated and calcinated composition based on zirconium oxide and cerium oxide |
WO2015058037A1 (en) | 2013-10-17 | 2015-04-23 | Cerion, Llc | Malic acid stabilized nanoceria particles |
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FR3050450A1 (en) | 2016-04-26 | 2017-10-27 | Rhodia Operations | MIXED OXIDE BASED ON CERIUM AND ZIRCONIUM |
BR112018073652A2 (en) * | 2016-05-18 | 2019-02-19 | Rhodia Operations | cerium oxide particles and method for producing them |
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KR20220028810A (en) * | 2020-08-31 | 2022-03-08 | 주식회사 엘지화학 | Manufacturing method for ceria-zirconia composite oxides, ceria-zirconia composite oxides and catalyst comprising same, manufacturing method for butadiene using zinc-ferrite catalyst |
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BR102021012721A2 (en) * | 2021-06-25 | 2022-12-27 | Petróleo Brasileiro S.A. - Petrobras | PROCESS FOR OBTAINING CATALYST, CATALYST AND ACID CHARGE PRE-TREATMENT PROCESS |
CN113813954B (en) * | 2021-09-26 | 2023-06-20 | 南京大学 | Layered CeO 2-x Material, preparation method and application thereof |
CN114177902B (en) * | 2021-12-14 | 2023-09-15 | 西华师范大学 | Cerium-zirconium solid solution with micron-sized macropores and preparation method and application thereof |
WO2024033516A1 (en) | 2022-08-12 | 2024-02-15 | Rhodia Operations | Cerium- and zirconium-based mixed oxide |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2623793B1 (en) * | 1987-11-30 | 1991-06-07 | Rhone Poulenc Chimie | PROCESS FOR THE PREPARATION OF GRANULES BASED ON TITANIUM OXIDE, ZIRCONIUM, OR CERIUM AND PRODUCTS THUS OBTAINED |
DK0395912T3 (en) * | 1989-05-02 | 1993-12-06 | Lonza Ag | Sintered zirconia powder and process for its preparation |
FR2699524B1 (en) * | 1992-12-21 | 1995-02-10 | Rhone Poulenc Chimie | Composition based on a mixed oxide of cerium and zirconium, preparation and use. |
JP3041662B2 (en) * | 1993-06-21 | 2000-05-15 | 三徳金属工業株式会社 | Composite oxide having oxygen absorbing / releasing ability, method for producing the same, and method for using the same |
DE4437252A1 (en) * | 1994-10-18 | 1996-04-25 | Basf Ag | Regenerative process for prodn. of olefinically unsatd. cpds. using regeneratable oxygen transfer catalyst in absence of molecular oxygen@ |
US5958827A (en) * | 1995-12-07 | 1999-09-28 | Toyota Jidosha Kabushiki Kaisha | Solid solution particle of oxides, a process for producing the same and a catalyst for purifying exhaust gases |
FR2748740B1 (en) * | 1996-05-15 | 1998-08-21 | Rhone Poulenc Chimie | COMPOSITION BASED ON CERIUM OXIDE AND ZIRCONIUM OXIDE WITH HIGH SPECIFIC SURFACE AND HIGH OXYGEN STORAGE CAPACITY, METHOD OF PREPARATION AND USE IN CATALYSIS |
ATE232838T1 (en) * | 1996-10-15 | 2003-03-15 | Rhodia Rare Earths Inc | CERIUM AND ZIRCONIUM OXIDES, MIXED OXIDES AND SOLID SOLUTIONS WITH IMPROVED THERMAL STABILITY FOR CATALYSIS OF EXHAUST SYSTEMS AND PROCESSES FOR PRODUCTION |
-
1998
- 1998-04-01 AU AU68760/98A patent/AU6876098A/en not_active Abandoned
- 1998-04-01 WO PCT/US1998/006437 patent/WO1998045212A1/en not_active Application Discontinuation
-
1999
- 1999-10-01 NO NO994794A patent/NO994794L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1998045212A1 (en) | 1998-10-15 |
NO994794L (en) | 1999-12-01 |
NO994794D0 (en) | 1999-10-01 |
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